Hi Rasmus,

Thanks for your help. However, adding the :EXPORT_DATE: property doesn't
work. Firstly, there's an error: "PDF file produced with errors.".
Secondly, even though it still produced a PDF output, the date is always
today's date which is wrong.

Thanks.

On Mon, Dec 7, 2015 at 4:21 AM, Rasmus <rasmus@gmx.us> wrote:

> York Zhao <gtdplatform@gmail.com> writes:
>
> > Let's say I have two letters:
> >
> >   * Letter1
> >   ** Preamble :noexport:
> >
> >   #+DATE: 2015-10-26 Monday
> >   ** To whom it may concern,
> >
> >
> >   * Letter2
> >   ** Preamble :noexport:
> >
> >   #+DATE: 2015-12-03 Thursday
> >   ** Hi,
>
> This should work:
>
> * letter 1
> :PROPERTIES:
> :EXPORT_DATE: 2015-10-26 Monday
> :END:
> ** To whom it may concern,
>
> * letter 2
> :PROPERTIES:
> :EXPORT_DATE: 2015-12-03 Thursday
> :END:
> ** hi,
>
>
> --
> Dobbelt-A
>
>
>